Form 2 Science - Ecosystem

Producer

↓↓ 

Primary Consumer 

↓↓

Secondary Consumer 

↓↓

Tertiary Consumer 

↓↓ 

Decomposer

Choose the correct statement about Energy Flow in an Ecosystem

Answer can be more than one

•  

  • A producer is an organism that produces its own food through photosynthesis. 

• • Tertiary consumer is a secondary carnivore that eats a secondary consumer.

• Secondary consumer are herbivores and omnivores that eat producers.

• • Decomposer is an organism that breaks doen dead animals and plants into simpler materials or nutrients.

What is food chain

• Food chain used to show the feeding relationship between organisms

• • The interconnection of a few food chains is called a food web

What is Energy Flow?

• Energy is transferred from one organism to another organism

• Energy is stored in one organism

Green plants convert light energy into________ energy.

• chemical

• kinetic

• biomass

• natural

The size of tertially consumer is usually smaller than secondary consumer,

• True

• False

Water is released into atmosphere by plants is known as ________________

• 
  photosynthesis

• transpiration

• combustion

• decomposition

A _____________ is a few populations of different organisms that live together in one habitat and have mutual interaction with one another.

• population

• species

• community

Which of the following interaction is mutualism?

• sea anemone and clown fish

• tiger and zebra

• remora fish and sharktapeworm and human

The bird's nest fern and trees is_______________

• prey-predator

• commensalism

• parasitism

The following are the benefits of biological control, EXCEPT

• 
  does not cause pollution

• expensive

• environmental friendly